class CreateEssences < ActiveRecord::Migration
  def self.up
    create_table :essences do |t|
      t.integer :audio_asset_id
	  t.string :format
	  t.string :length
	  t.integer :duration
	  t.string :md5_hash
      t.timestamps
    end
  end

  def self.down
    drop_table :essences
  end
end
